Examples of javax.xml.xquery.XQConnection.prepareExpression()

javax.xml.xquery.XQConnection.prepareExpression()
Prepares an expression for execution.
The properties of the connection's default XQStaticContext are copied to the returned XQPreparedExpression. @param xquery the XQuery expression as a String.Cannot be null @return the prepared XQuery expression @exception XQException if (1) the connection is in a closed state, (2) there are errors preparing the expression, or (3) the xquery parameter is null


      // resolve variables
      final XQParameterLookupParser parser = new XQParameterLookupParser();
      final String translatedQuery = parser.translateAndLookup(xquery, parameters);
      // compile query
      final XQPreparedExpression expression = xqConnection.prepareExpression(translatedQuery);
      // bind variables, we cannot bind all variables of the datarow, only the ones defined in the script
      final List<String> fields = parser.getFields();
      for (final String col: fields)
      {
        final QName var = new QName(col);

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                XQConnection xqconn = xqds.getConnection();


                net.sf.saxon.Configuration configuration = ((SaxonXQConnection) xqconn).getConfiguration();
                configuration.setHostLanguage(net.sf.saxon.Configuration.XQUERY);
//                XQStaticContext staticEnv = xqconn.getStaticContext();
                XQPreparedExpression exp = xqconn.prepareExpression(xquery);
                Node requestNode = DOMUtils.parse(request.newXMLStreamReader());
                if (__log.isDebugEnabled()) {
                    __log.debug("request " + request.toString());
                }
                exp.bindItem(XQConstants.CONTEXT_ITEM, xqconn.createItemFromNode(requestNode, xqconn.createNodeType()));

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            // Add implicit declarations as prolog to the user-defined XQuery
            out.xquery = declarations.toString() + xqueryStr;


            // Check the XQuery for compilation errors 
            xqconn.setStaticContext(staticContext);            
            XQPreparedExpression exp = xqconn.prepareExpression(out.xquery);
            
            // Pre-evaluate variables and functions by executing query  
            node.setUserData(XQuery10BpelFunctions.USER_DATA_KEY_FUNCTION_RESOLVER, 
                funcResolver, null);
            exp.bindItem(XQConstants.CONTEXT_ITEM,

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            // Prepare expression, for starters
            String xquery = oxquery10.xquery.replaceFirst(
                    Constants.XQUERY_FUNCTION_HANDLER_COMPILER,
                    Constants.XQUERY_FUNCTION_HANDLER_RUNTIME);
            XQPreparedExpression exp = xqconn.prepareExpression(xquery);


            JaxpFunctionResolver funcResolver = new JaxpFunctionResolver(ctx,
                    oxquery10);
            JaxpVariableResolver variableResolver = new JaxpVariableResolver(ctx,
                    oxquery10, configuration);

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            // Prepare expression, for starters
            String xquery = oxquery10.xquery.replaceFirst(
                    Constants.XQUERY_FUNCTION_HANDLER_COMPILER,
                    Constants.XQUERY_FUNCTION_HANDLER_RUNTIME);
            XQPreparedExpression exp = xqconn.prepareExpression(xquery);


            JaxpFunctionResolver funcResolver = new JaxpFunctionResolver(ctx,
                    oxquery10);
            JaxpVariableResolver variableResolver = new JaxpVariableResolver(ctx,
                    oxquery10, configuration);

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            // Add implicit declarations as prolog to the user-defined XQuery
            out.xquery = declarations.toString() + xqueryStr;


            // Check the XQuery for compilation errors
            xqconn.setStaticContext(staticContext);
            XQPreparedExpression exp = xqconn.prepareExpression(out.xquery);


            // Pre-evaluate variables and functions by executing query
            node.setUserData(XQuery10BpelFunctions.USER_DATA_KEY_FUNCTION_RESOLVER,
                    funcResolver, null);
            exp.bindItem(XQConstants.CONTEXT_ITEM,

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            // Prepare expression, for starters
            String xquery = oxquery10.xquery.replaceFirst(
                    Constants.XQUERY_FUNCTION_HANDLER_COMPILER,
                    Constants.XQUERY_FUNCTION_HANDLER_RUNTIME);
            XQPreparedExpression exp = xqconn.prepareExpression(xquery);


            JaxpFunctionResolver funcResolver = new JaxpFunctionResolver(ctx,
                    oxquery10);
            JaxpVariableResolver variableResolver = new JaxpVariableResolver(ctx,
                    oxquery10, configuration);

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            // Add implicit declarations as prolog to the user-defined XQuery
            out.xquery = declarations.toString() + xqueryStr;


            // Check the XQuery for compilation errors 
            xqconn.setStaticContext(staticContext);            
            XQPreparedExpression exp = xqconn.prepareExpression(out.xquery);
            
            // Pre-evaluate variables and functions by executing query  
            node.setUserData(XQuery10BpelFunctions.USER_DATA_KEY_FUNCTION_RESOLVER, 
                funcResolver, null);
            exp.bindItem(XQConstants.CONTEXT_ITEM,

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            // Add implicit declarations as prolog to the user-defined XQuery
            out.xquery = declarations.toString() + xqueryStr;


            // Check the XQuery for compilation errors 
            xqconn.setStaticContext(staticContext);            
            XQPreparedExpression exp = xqconn.prepareExpression(out.xquery);
            
            // Pre-evaluate variables and functions by executing query  
            node.setUserData(XQuery10BpelFunctions.USER_DATA_KEY_FUNCTION_RESOLVER, 
                funcResolver, null);
            exp.bindItem(XQConstants.CONTEXT_ITEM,

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                XQConnection xqconn = xqds.getConnection();
    
                net.sf.saxon.Configuration configuration = ((SaxonXQConnection) xqconn).getConfiguration();
                configuration.setHostLanguage(net.sf.saxon.Configuration.XQUERY);
//                XQStaticContext staticEnv = xqconn.getStaticContext();
                XQPreparedExpression exp = xqconn.prepareExpression(xquery);
                Node requestNode = DOMUtils.parse(request.newXMLStreamReader());
                if (__log.isDebugEnabled()) {
                    __log.debug("request " + request.toString());
                }
                exp.bindItem(XQConstants.CONTEXT_ITEM, xqconn.createItemFromNode(requestNode, xqconn.createNodeType()));

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